Phytophthora chlamydospora chlamydospore in agar. Bar is 20 µm.
Photo Gallery
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P. chlamydospora chlamydospore  |
P. arenaria disease symptoms on Banksia  Dead Banksia sp. in a Kwongan heathland on mineral sand near Eneabba, Western Australia recently killed by root and collar rot caused by Phytophthora arenaria |
P. cactorum colony morphology on V8  Colony morphology on V8 at 14 days |
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P. pluvialis on Pinus radiata in New Zealand  A stand of Pinus radiata trees affected by red needle cast disease. Note that frequently only the lower part of the crown is affected. |
P. cambivora sporangia  Empty sporangia of P. cambivora showing nested internal proliferation |
P. lateralis on Port Orford cedar  Atypical decline caused by aerial infections in Scaër, France |
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P. palmivora sporangia  Sporangia (sporangiospores) showing sympodial branching |
P. nicotianae oogonia  P. nicotianae oogonia 100x. Photo from Q-bank: www.q-bank.eu, Henk Brouwer (CBS-KNAW, Utrecht, The Netherlands) |
Growth of P. palmivora on CMA  Growth of P. palmivora on corn meal agar |
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P. cambivora tar spots  Tar spots on European beech (Fagus sylvatica) with bark removed. Lesse, Germany |
P. cambivora colony morphology on PDA  Appressed colony morphology at 14 days at 20°C on PDA |
P. kernoviae colony morphology  From Mycol.Res 109, 853-859; growth on CA under different conditions |